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PC Randomly Turns Off! - Please Help!

Discussion in 'Hardware' started by nathan.d.law, Feb 18, 2017.

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  1. nathan.d.law

    nathan.d.law Thread Starter

    Joined:
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    Messages:
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    Hi guys,

    I need some of your finest technical assistance!

    I've been having a problem with my PC for months now where it seems to randomly turn off when under load (I've not seen it power off whilst doing regular tasks like word or chrome use).

    I figured it was the power supply (that I have now replaced and the problem continues) causing the issues as the PC seems to just shut off instantly without warning. There are no blue screens or error messages when I turn the PC back on.

    After looking at the event viewer this is what it tells me (see jpeg)

    This is absolutely ruining my gaming experiences and if somebody could help me I'd be very grateful.

    System Specs:

    Processor
    Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz

    Video Card
    NVIDIA GeForce GTX 750 Ti

    Motherboard
    Asus Maximus VII Hero

    RAM
    16 GB

    Operating System
    Microsoft Windows 10 (build 10240), 64-bit
     

    Attached Files:

  2. flavallee

    flavallee Trusted Advisor

    Joined:
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    Messages:
    78,946
    First Name:
    Frank
    What's the brand name and exact model number and wattage of the power supply?

    The random shutdown issue may be attributed to the power supply or to overheating or to some other issue.

    By the way, you're using a very outdated version of Windows 10.

    --------------------------------------------------------------
     
  3. crjdriver

    crjdriver Moderator

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    Messages:
    38,483
    As Frank stated, post your exact pw supply. Do not post "500W" Post the exact brand and model#
    Next this is an asus board so download and install asus probe [available on the support page] Once probe is installed, post the following info; cpu temp, system or mb temp, 12V, 5V, and 3.3V values. Do this twice; once under a normal load and once while running a stress testing program ie prime95 or IBT [both free downloads] Post screenshots of probe for both normal and stress test.
    Here is a link to the support page for that board;
    https://www.asus.com/us/Motherboards/MAXIMUS_VII_HERO/HelpDesk_Download/

    I notice there are a LOT of bios updates that address stability problems. Are you running the lasted bios?
    Why have you not updated to the latest build of win10?
     
  4. nathan.d.law

    nathan.d.law Thread Starter

    Joined:
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    My power supply is a "bequiet system power 8 500w"

    This is a brand new power supply... my system was also doing this with the previous one so I'd say it's safe to rule that out completely.
     
  5. nathan.d.law

    nathan.d.law Thread Starter

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    I don't have the latest bios as I don't know how to flash my bios!
     
  6. crjdriver

    crjdriver Moderator

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    Not really. That is NOT a quality pw supply. It is for entry level systems as per the support page. NOT what I would install in a gaming system.
    Regardless of that, you need to post the requested data ie temps and voltages both under normal load and when stress testing.
     
  7. crjdriver

    crjdriver Moderator

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    Let's leave any bios update until you post your temps and voltages.
     
  8. nathan.d.law

    nathan.d.law Thread Starter

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    I have a EVGA Supernova NEX650G that I took out, I thought it might of been faulty.

    The new one was simply to test to see if that power supply was the issue.

    I post temps and voltages shortly.
     
  9. crjdriver

    crjdriver Moderator

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    The supernova is a MUCH better pw supply. Those are mfg by seasonic. I will be off for a while and will check this later in the day.
     
  10. nathan.d.law

    nathan.d.law Thread Starter

    Joined:
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    Messages:
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    NOT UNDER LOAD

    Power Pack

    +3.3v 3.36v - 3.38v
    +5.0v 5.04v - 5.08v
    +12.0V 12.19v - 12.19v

    CPU

    47c - 54c
    --------------------------------
    LOAD

    Power Pack

    +3.3v 3.36v - 3.38v
    +5.0v 5.04v - 5.08v
    +12.0V 12.19v - 12.19v

    CPU

    38c - 63c
     
  11. crjdriver

    crjdriver Moderator

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    Were those reading from asus probe? It would be better to upload a screenshot of probe.
    I assume when under load, you let it run for at least 5~10min to stabilize temps and voltages. If you did not, then let it run for a while. Do not take an immediate reading or screenshot.
    IF those were from probe, they look ok. Next thing I would test would be the ram
     
  12. nathan.d.law

    nathan.d.law Thread Starter

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    Those readings are from OCCT
     
  13. crjdriver

    crjdriver Moderator

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    OK, you need to use asus probe. That is purpose designed software for asus motherboards. Use the correct tool for the job; third party programs very often return incorrect data. If you are trying to diagnose a problem, the last thing you want is flaky data.
     
  14. nathan.d.law

    nathan.d.law Thread Starter

    Joined:
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    I can't find probe anywhere. It's not on there support section!
     
  15. nathan.d.law

    nathan.d.law Thread Starter

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    They have a tool for PC diagnostics now... is this possibly the new version?
     
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